Water temperature
Many internationals have experienced the sudden shock of how cold the Norwegian fjords and lakes can be, even when the weather warms up.
I still remember my first swim at a Norwegian beach in early summer. The water was so cold that my whole body tensed up, and I thought, "Right, this is Norway.”
Since water temperatures can change a lot depending on the location, time of the season, and the day, it can be a good idea to check local conditions before you go swimming.
The most trusted way to do this is by using Yr, Norway’s national weather app from the Meteorological Institute and NRK.
Yr has a live-updating water temperature map where you can look up specific beaches or browse different coastal areas and lakes.
If you use Yr’s website, you can search for places by name or move around the map. The mobile app also suggests swimming spots close to your current position.
For Oslo's "badetemperature" check this website.
READ ALSO: Why cold water swimming is the secret to happiness in Scandinavia
Water quality and health factors
Although the Norwegian Directorate of Health reassures that bathing water quality is usually safe and well-monitored, experts recommend paying attention to a few important health tips, as mentioned in a recent Aftenposten report.
After heavy rain, runoff can pollute city swimming spots, especially near streams and rivers. It’s best to wait at least 24 hours before swimming again to avoid possible E. coli infection, which can cause stomach problems.
As a rule of thumb, also be careful if the water looks discoloured, cloudy, or has a slimy layer on top.
It’s also smart to stay away from shallow freshwater areas with lots of birds or thick reeds. These places can have parasites that cause swimmer’s itch, which is an itchy but temporary skin rash.
In brackish water or seas with low salt levels, harmful bacteria like Vibrio and Shewanella can grow if the water stays around 20C for a while.
These bacteria are most common in the Oslo Fjord and along the southern coast during the summer. They can get in through open cuts or cause ear infections.
Health officials also say you shouldn’t swim with open wounds. If you really want (or need) to swim, make sure your wound is covered with a waterproof bandage.
Based on these recommendations, it is always a good idea to keep an eye on local news or municipality updates in case authorities send out a water quality alert.
READ MORE: How to check the water quality when swimming in Norway
Beach shoes for the rocky shores
It’s not just the water quality you need to think about. For many newcomers, getting into the water in Norway isn’t always an easy task.
Since there are so many sharp rocks and shells on the seabed, it is incredibly common to see Norwegians wearing special swimming shoes (badesko).
So, investing in a pair of water shoes will protect your feet from nasty cuts (or suffering), and make it much easier to get in and out of the fjords.
Warning for Oslo residents
Unfortunately for swimmers who enjoy spending hot days by the water in the capital, some popular spots need extra caution.
Christian Kjeldstrup, a senior engineer from Oslo Municipality, told Aftenposten in a recent interview that water quality measurements over the past four years have shown poor bathing conditions in some areas.
The places in Oslo with the highest bacteria levels are Sørenga seashore, Hvervenbukta, and Operastranda.
Because of these high levels of bacteria, the Municipality of Oslo recommends against swimming at Operastranda, the beach in front of the Opera House which is very popular among families.
Don’t let these warnings stop you from enjoying Norway’s amazing swimming spots. They’re just practical tips to help you stay safe and healthy this summer.
With the right app and a good pair of swim shoes, you’re ready to make the most of the season. God sommer!
READ ALSO: Five great places to go on a hammock trip in Oslo
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